Module 4.1
Fields due to Charges
Input
and voltage at cursor:
Plot Characteristics:
less
lines
lines
more
lines
lines
Instructions
Input
•
Use the slider or the entry to set a positive or negative value for
a new charge to place in the display panel
a new charge to place in the display panel
•
Use "add charge" and click in the display panel to put charge there
•
Select a charge and click "edit charge value" to see the effects of the change
•
Selected charges may also be deleted or dragged to a new location in the display panel
Output
•
Electric potential V(x,y) is shown in shades of blue (positive) and red (negative)
•
Contour lines of constant potential are displayed in black
•
Electric field vector directions are shown as dark blue arrows
•
The cursor can also be used to echo the Potential and Electric Field values
at that position
at that position
Applet Design: Fawwaz Ulaby and Janice Richards